ClassID:

160289

F25J3/04884 - CPC Classification

Classification description:

Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air; Start-up or control of the process; Details of the apparatus used; Construction and layout of air fractionation equipments, e.g. valves, machines; Vertical layout of cold equipments within in the cold box, e.g. columns, heat exchangers etc. Arrangement of reboiler-condensers

Recent Application in this class:
#1
20230052938
2023-02-16

Cryogenic air separation unit with argon condenser vapor recycle

#2
20230038451
2023-02-09

Stabilizer reboiler salt fouling online cleaning

#3
20220146196
2022-05-12

SYSTEM AND METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC AIR SEPARATION UNIT

#4
20220146195
2022-05-12

METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC AIR SEPARATION UNIT

#5
20200256616
2020-08-13

Annular divided wall column

#6
20200149810
2020-05-14

Annular divided wall column with ring shaped collectors and distributers

#7
20200149809
2020-05-14

Annular divided wall column

#8
20190234415
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#9
20190234414
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#10
20190234413
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#11
20190204009
2019-07-04

System and method for flexible recovery of argon from a cryogenic air separation unit

#12
20190063831
2019-02-28

Annular divided wall column with ring shaped collectors and distributers for an air separation unit

#13
20190063830
2019-02-28

Annular divided wall column for an air separation unit having a ring shaped support grid

#14
20190063829
2019-02-28

Annular divided wall column for an air separation unit

#15
20190063828
2019-02-28

Annular divided wall column for an air separation unit

#16
20180299195
2018-10-18

Method for controlling production of high pressure gaseous oxygen in an air separation unit

#17
20180292130
2018-10-11

Method ad apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption

#18
20170299261
2017-10-19

Liquid nitrogen production

#19
20170227284
2017-08-10

Multistage bath condenser-reboiler

#20
20170211879
2017-07-27

Process and apparatus for producing pressurized gaseous nitrogen by cryogenic separation of air

#21
20170030642
2017-02-02

Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system

#22
20170030641
2017-02-02

Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system

#23
20170030640
2017-02-02

Method and apparatus for increasing argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system

#24
20170030639
2017-02-02

Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system

#25
20170030638
2017-02-02

Method and apparatus for argon rejection and recovery

#26
20170023298
2017-01-26

Condenser-reboiler system and method

#27
20170023297
2017-01-26

Condenser-reboiler system and method

#28
20160370111
2016-12-22

METHOD FOR PRODUCING AT LEAST ONE AIR PRODUCT, AIR SEPARATION SYSTEM, METHOD AND DEVICE FOR PRODUCING ELECTRICAL ENERGY

#29
20160356546
2016-12-08

Main heat exchange system and method for reboiling

#30
20160265841
2016-09-15

System and method for generation of oxygen by low-temperature air separation

#31
20160153712
2016-06-02

System and method for production of argon by cryogenic rectification of air

#32
20160131425
2016-05-12

System and method for production of crude argon by cryogenic rectification of air

#33
20160123662
2016-05-05

Method and device for oxygen production by low-temperature separation of air at variable energy consumption

#34
20160033197
2016-02-04

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#35
20160033196
2016-02-04

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#36
20160003537
2016-01-07

Air separation method and air separation apparatus

#37
20140223960
2014-08-14

Method and device for generating two purified partial air streams

#38
20140223959
2014-08-14

Method and device for the cryogenic decomposition of air

#39
20140093396
2014-04-03

Gas compressor control system preventing vibration damage

#40
20130205831
2013-08-15

Method and device for obtaining compressed oxygen and compressed nitrogen by the low-temperature separation of air

#41
20130139547
2013-06-06

AIR SEPARATION METHOD AND APPARATUS

#42
20130139546
2013-06-06

AIR SEPARATION METHOD AND APPARATUS

#43
20120118013
2012-05-17

APPARATUS AND METHOD FOR SEPARATING AIR BY CRYOGENIC DISTILLATION

#44
20110146344
2011-06-23

Process and apparatus for the separation of air by cryogenic distillation

#45
20100024478
2010-02-04

PROCESS AND DEVICE FOR RECOVERING ARGON BY LOW-TEMPERATURE SEPARATION OF AIR

#46
20090084133
2009-04-02

Down-flow condenser reboiler system for use in an air separation plant

#47
20080289361
2008-11-27

Method and System for Treating an Oxygen-Rich Liquid Bath Collected at the Foot of a Cryogenic Distillation Column

#48
20060075778
2006-04-13

Method and system for treating an oxygen-rich liquid bath collected at the foot of a cryogenic distillation column

#49
12800637
2017-08-08

Liquid nitrogen production